Features: resin case resin strap quartz movement mineral crystal analog digital display shock resistant neobrite double led light dual time 1/100 second stopwatch countdown timer 5 daily alarms hourly time signal full automatic calendar day and date display 12/24 hours display am/pm display accuracy: ±15 seconds per month screwed case back buckle clasp 200m water resistance approximate case diameter: 49mm approximate case thickness: 15mm